Author: Dirk Frickenschmidt
Date: 12:46:58 11/28/97
Play-the-game-test 01 Here is my first Play-the-game test position: a KK game after move 13, white to move. Please play the position with white and black for each tested program on tournament level on at least P90 hardware (better faster) and mail the results here. Concerning the position: I was looking for an open position showing main themes of classical play: - the isolated white d-pawn - the importance of using open rook files and bishop diagonals - the importance of squares controlled or used by white and black knights (d5/e5, but also other sqares like b4 for the black knight etc.) The position is quite a typical open Russian game. (Besides: Russian games appear frequently both in human and in computer chess games). White's task is active middlegame play without wasting tempos, while black should try to keep important squares under control and exchange for a draw or even a slightly better endgame, if possible. Both human players of my example game are experts having played this kind of position quite often both with white and black. I will add some own computer games played with this opening later. Looking forward to see as many testgames from you as possible. :-) Please help testing to make this test a reliable and exemplary testsuite! If you use the beginning of the following game as pgn-file, you can load it directly into most computer programs. For other questions concerning the test see my PG-FAQ posted recently here in CCC. [Event "Wch31-KK1 Moscow"] [Site "?"] [Date "1984.??.??"] [Round "48"] [White "Kasparov, G."] [Black "Karpov, An"] [Result "1-0"] [ECO "C42"] [WhiteElo "2715"] [BlackElo "2705"] [PlyCount "133"] [EventDate "1984.??.??"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nf6 9. Nc3 O-O 10. h3 dxc4 11. Bxc4 Na5 12. Bd3 Be6 13. Re1 Nc6 This is the test position. White to move. The original game was the last game of the famous 1984 world championship. In round 41 Kasparov had to play a similar position with black, now he uses a role change. In game 41 Kasparov was very close to losing the whole match after having played ...Nb4 too early (in move 8). Of course he was curious how Karpov would change the black defense order. Commentators agreed that after move 15 of white Kasparov had nearly no advantage: slightly more active pieces, and an isolated d4-pawn with all its pros and cons. Pachmann probably was right to consider the position as very well defendable for black if Karpov would have continued: 15... Nd5 16.Nxd5 17.Ne5 Bf6. But game 48 continued: 14. a3 a6 15. Bf4 Qd7? 16. Ne5 Nxe5 17. dxe5 Nd5 18. Nxd5 Bxd5 19. Qc2 g6 20. Rad1 c6 21. Bh6 Rfd8 22. e6! fxe6 23. Bxg6 Bf8 24. Bxf8 Rxf8 25. Be4 Rf7 26. Re3 Rg7 27. Rdd3! Rf8 28. Rg3! Kh8 29. Qc3 Rff7 30. Rde3 Kg8 31. Qe5 Qc7 32. Rxg7+ Rxg7 33. Bxd5 Qxe5 34. Bxe6+ Qxe6 35. Rxe6 Rd7 36. b4 Kf7 37. Re3 Rd1+ 38. Kh2 Rc1 39. g4 b5 40. f4 c5 41. bxc5 Rxc5 42. Rd3 Ke7 43. Kg3 a5 44. Kf3 b4 45. axb4 axb4 46. Ke4 Rb5 47. Rb3 Rb8 48. Kd5 Kf6 49. Kc5 Re8 50. Rxb4 Re3 51. h4 Rh3 52. h5 Rh4 53. f5 Rh1 54. Kd5 Rd1+ 55. Rd4 Re1 56. Kd6 Re8 57. Kd7 Rg8 58. h6 Kf7 59. Rc4 Kf6 60. Re4 Kf7 61. Kd6 Kf6 62. Re6+ Kf7 63. Re7+ Kf6 64. Rg7 Rd8+ 65. Kc5 Rd5+ 66. Kc4 Rd4+ 67. Kc3 1-0 After this game the match ended - against all rules - with a standing of 3-5 (Kasparov-Karpov). Please as many of you as possible: help testing the PG-positions and post the games here in CCC. I will collect them in one database and make them available to all of you. Kind reagards from Dirk
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